1 View all Hidalgo County, TX jobs in McAllen, TX - McAllen jobs. 2  Salary Search: Head Start salaries in McAllen, TX.  Related forums: Hidalgo County, TX - Mcallen, Texas.
Iron deficiency anemia  causing blue skin under the eyes. If there is a shortage of iron in the body, oxygen cannot be properly transported by the blood. Hemoglobin is the oxygen transporting component in the blood, moving oxygen from the lungs to the cells where it is released for normal cell metabolism.
1 Bluish circles under your eyes can be due to oxygenated blood under the skin. 2  Brown under-eye circles may be caused by hyperpigmentation.  Sunscreen could be the key to banishing a panda-like visage.